Slab
August 16, 2026 · View on GitHub
Pre-allocated storage for a uniform data type.
Usage
To use slab, first add this to your Cargo.toml:
[dependencies]
slab = "0.4"
Next, add this to your crate:
use slab::Slab;
let mut slab = Slab::new();
let hello = slab.insert("hello");
let world = slab.insert("world");
assert_eq!(slab[hello], "hello");
assert_eq!(slab[world], "world");
slab[world] = "earth";
assert_eq!(slab[world], "earth");
See documentation for more details.
Feature flags
- std (enabled by default) — Enables APIs that depend on
std. - serde — Enables
serdesupport (implementsSerializeandDeserializetraits).
License
This project is licensed under the MIT license.
Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in slab by you, shall be licensed as MIT, without any additional
terms or conditions.